Official NHA Assessment

Race 4: RACING TODAY FM 72 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Raising Quinn
Reference for assessment
Exact Matches
2 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
6 / 11
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    For All We Know      3    59.5    1    0.00     3.0   71    71           71    +0
2    Raising Quinn        3    60.5    2    5.50     3.0   73    73           73    +0
3    Jam Jam              2    60.0    3    6.75     0.0   72    78           78    +6
4    Heartsease           3    57.0    4    6.80     3.0   74    66           66    -8
5    Gold For Africa      3    58.0    5    6.85     3.0   71    68           68    -3
6    Saturn Moon          2    57.5    6    7.10     0.0   67    73           73    +6
7    Let It Snow          2    57.0    7    8.10     0.0   69    72           72    +3
8    Demigod              3    60.0    8    8.60     3.0   72    72           72    +0
9    Youcrackmeup         3    52.0    9    13.35    3.0   56    56           56    +0
10   Nyali Beach          2    59.0    10   17.60    0.0   70    76           76    +6
11   Desert Rose          3    61.5    11   99.99    3.0   75    75           75    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 For All We Know 71 79 71 +8 3.0 -
2 Raising Quinn Line 73 69 73 -4 3.0
3 Jam Jam 72 63 78 -15 0.0 -
4 Heartsease 74 73 66 +7 3.0 -
5 Gold For Africa 71 68 68 ✓ Match 3.0 -
6 Saturn Moon 67 57 73 -16 0.0 -
7 Let It Snow 69 61 72 -11 0.0 -
8 Demigod 72 67 72 -5 3.0 -
9 Youcrackmeup 56 59 56 +3 3.0 -
10 Nyali Beach 70 70 76 -6 0.0 -
11 Desert Rose 75 75 75 ✓ Match 3.0 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points